Bladder neck placement of a synthetic polypropylene sling for the treatment of stress urinary incontinence
Introduction: Pubo-vaginal sling placed at the bladder neck is the gold standard treatment for stress urinary incontinence (SUI). The synthetic mid-urethral sling (MUS) is now widely used, as morbidity rates with this technique are substantially reduced. This is an initial report on long-term outcomes of a polypropylene sling (PPS) placed in the traditional bladder neck location.
Methods: A retrospective analysis of all patients who underwent PPS insertion at our institution between 2006 and 2014 was conducted. Patient and urodynamic demographics were recorded. Subjective and objective measures of success were determined by postoperative pad usage and validated incontinence questionnaires.
Results: A total of 170 patients were followed for a median of four years (range 1–8). The mean age was 51 years (±10). Subjective response was assessed in 57% of patients; the overall subjective cure rate was 85.3% (n=145), subjective improvement rate was 4.1% (n=7), and the subjective failure rate was 10.6% (n=18). The mean Urogenital Distress Inventory (UDI)-6 score was 6.5 (±5.6) out of a maximum score of 24 and the Incontinence Impact Questionnaire (IIQ)-7 score was 5.5 (±6.3) out of a maximum score of 28. There was no significant difference in objective outcome measures in those with an abdominal leak-point pressure (ALPP) < or >60 cmH2O.
Conclusions: Bladder neck placement of a PPS resulted in cure rates of 85% in this series. SUI secondary to intrinsic sphincter deficiency (ISD) and urethral hypermobility were treated with equal success. Bladder neck PPS placement has a role in the treatment of SUI. Our data may well reassure rectus fascia sling (RFS) surgeons who wish to take advantage of faster postoperative recovery using the less invasive PPS placed at the bladder neck.
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